#31B53C#31B53C

#31B53C is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.196 H 144.1°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#31B53C
RGB	rgb(49, 181, 60)
HSL	hsl(125, 57%, 45%)
HSV	hsv(125, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 66.9%, 29%)
CIE-LAB	lab(64.98, -58.75, 49.81)
CIE-LCH	lch(64.98, 77.02, 139.71°)
OKLab	oklab(67.87% -0.159 0.115)
OKLCH	oklch(67.87% 0.196 144.1)
XYZ	xyz(18.6049, 34.0249, 9.8610)
Luminance	0.3403 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B53C #B531AA

analogous

#68B531 #31B53C #31B57E

triadic

#31B53C #3C31B5 #B53C31

tetradic

#31B53C #3168B5 #B531AA #B57E31

square

#31B53C #3168B5 #B531AA #B57E31

split-complementary

#31B53C #7E31B5 #B53168

monochromatic

#17551C #24852C #31B53C #53D05D #83DD8B

Accessibility & contrast

On white

2.69

#31B53C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#31B53C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B53C

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B53C	#FFFFFF	#000000	##000000
##31B53C	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A42C

Deuteranopia (green-blind)

#A99A47

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b53c;
/* rgb */ color: rgb(49, 181, 60);
/* oklch */ color: oklch(67.9% 0.196 144.1);

Tailwind

colors: {
  custom: {
    50: '#7dcc77',
    500: '#31b53c',
    950: '#000000',
  },
}

SCSS

$custom: #31b53c;
$custom-light: #7dcc77;
$custom-dark: #000000;

JSON

{
  "hex": "#31b53c",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 60
  },
  "hsl": {
    "h": 125,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67873,
    "c": 0.19622,
    "h": 144.1
  },
  "luminance": 0.34027
}

Semantic roles & 50–950 ramp

primary

#31B53C

secondary

#C77BC0

accent

#47D4E1

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B53C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →